The practical aspects of this book are especially to be commended. Dr. Hess has presented the technic of infant feeding in a sane and conservative way, entirely consistent with the best practices of the present time. To the student and general practitioner this book should serve as a useful guide to proper infant feeding.

It is unfortunate that the treatment of the physiology of nutrition cannot be equally commended. It would be, of course, impossible adequately to give a complete presentation of this subject in a small book. As a result, this section abounds in half-truths which may be misleading. Brevity has led to dogmatic statements which are based on observations of not fully established accuracy, and consequently may give erroneous impressions to the uninformed reader. For example, the tolerance of infants to different sugars is compared, without intimation that the subject is still unsettled and that the methods by